#define _CRT_SECURE_NO_WARNINGS  1
#include<stdio.h>
int main()
{
	int i,j = 0;
	int flag;
	scanf("%d", &i);
	for ( j = 1; j <= i; j++);
	{
		if ( j < i)
		{
		flag = 1;
		}
		else
			scanf("%d", &i);

	}
	return 0;
}